Create simple user management PHP / MySQL

Hello, I need a freelancer to make a very simple tools in PHP / MySQL The tools allow you to add, delete, modify, reinit the password, or ban a user, this tool will be integrated to our administration. the structure of the mysql database that we want. And the formula to reset the password md5( seed + password ) or ban a user change integer to 1 = ban user or 0 = activate user. The work must be done in your local side, we will do the integration of your code in our administration, answer bunny bunny if you get the offer.